Witawat Singlampong as Pom

Chutima Teepanat as Aom

Yuwanat Arayanimisakul as Dao

Ratchu Surajaras as Ched

Chalermpol Tuntawisut as Chat

Kazuki Yano as Jitaro

Panissara Arayaskul as Rosie

Jumpol Thongtan as Pom's Dad

Jarupus Pattamasiri as Pom's Mom

Kittiphong Dumaviphat as Dr. Prasert

Boyd Kosiyabong as Audience at the Concert

Sugree Charoensook as Audience at the Concert

Asanee Chotikul as Record Label Owner

Wichit Kawangsabai as Hotwave Music Awards Presenter

Kittipat Chainuvat as Sugree

Boonsak Vattanavisith as Sao

Inga Causa as Inga

Benito Giovanni Infantino as English Teacher

Pongnarin Ulice as Fibonacci Teacher

Sakda Punneungphet as Sakda

Jira Maligool as Janitor

Rutaiwan Wongsirasawad as Aom's Mom

Prasert Wiwattananonpong as Audience at the Concert

Yongyoot Thongkongtoon as Pom's Dad's Costumer

Chaleumpol Tikumpornteerawong as Saxophone Student

Adisorn Wannaviroj as Note

Namfon Pakdee as Hotpot Waitress

Aummaraporn Phandintong as New Year Customer

Nuttawat Lertlitwimarnman as Head of the Committee

Rossukon Kongket as Committee

Tsuyahi Okada as Committee

Christof Kiene as Committee

Surapol Chonwilai as Committee

Jina Osothsilp as Committee

Chenchonnee Soonthornsaratul as Committee

Alexander Korff as Committee

Judith Louise as Committee

Juris Lakutis as Budapest Committee

Agrita Lakutis as Budapest Committee

Christian Python as Budapest Committee

Ewa Catilay as Budapest Committee

Yothin Mapobphun as Sek

Seksan Rattanapornpit as Manoch

Boontida Pongpipattanapakdee as Violinist

Pongpann Angkasupol as Violinist

Witsanee Wongwiroon as Violinist

Poonyawart Manomaipiboon as Violinist

Kankawee Kitbumroung as Violinist

Suchanapa Kanokchot as Violinist

Tatporn Chatcharaporn as Violinist

Piengpim Jiranyasakul as Violinist

Chalat Limpisiri as Violinist

Sarint Apisaksirikul as Violinist

Kamolmas Charoensuk as Violist

Jakkrist Charoensuk as Violist

Pongthep Jitdungpream as Violist

Suvijak Chotikul as Violist

Tapalin Charoensuk as Cellist

Pongpat Angkasupol as Cellist

Nutradee Polparaharn as Cellist

Poonyavee Manomaipiboon as Cellist

Sivawut Wattanawongkeeree as Double Bassist

Poottaraksa Kamnerdrat as Harp Player

Arin Auepatcharapol as Flute Player

Tanat Iam-soodtiwat as Clarinet Player

Yodsanant Wongseng as Oboe Player

Jeadsadalak Promdolpitak as Bassoon Player

Eakkapatara Chinsawangwong as French Horn Player

Jiraporn Montriwan as French Horn Player

Kittisak Pandamrongkul as Trumpet Player

Adiwat Panapongpaisarn as Trombone Player

Nontawat Wittayasarnyoot as Pom's Hand Talent

Nithiwat Tharathorn as Klong Yao Leader Group

Witthaya Thongyooyong as Klong Yao Group

Adisorn Trisirikasem as Klong Yao Group

Songyos Sugmakanan as Klong Yao Group

Khomkrit Treewimol as Klong Yao Group

Vijjapat Kojew as Klong Yao Group